Variable	Grit	Self-Esteem	Aggression–Hostility	Impulsive Sensation Seeking	Empathy	Activity	Sociability	Loneliness	Neuroticism-Anxiety
Grit	1.00
Self-Esteem	0.35**	1.00
Aggression–Hostility	-0.23**	-0.10	1.00
Impulsive Sensation Seeking	-0.18**	-0.05	0.28**	1.00
Empathy	0.26**	0.25**	-0.15*	-0.12	1.00
Activity	0.17**	0.17*	-0.04	0.10	0.06	1.00
Sociability	0.11	0.22**	-0.05	0.33**	0.14*	0.15*	1.00
Loneliness	-0.28**	-0.60**	0.13*	0.05	-0.29**	-0.18**	-0.37**	1.00
Neuroticism–Anxiety	-0.22**	-0.52**	0.13*	0.05	-0.08	-0.13	-0.26**	0.46**	1.00

^*p <0.05; ^**p <0.01

Int J Med Educ. 2020; 11:25-30; doi: 10.5116/ijme.5e01.f32d